1fe6060f1SDimitry Andric#include "sanitizer_common/sanitizer_asm.h" 2fe6060f1SDimitry Andric 3fe6060f1SDimitry Andric#define CFA_OFFSET 160 4fe6060f1SDimitry Andric#define R2_REL_OFFSET 16 5fe6060f1SDimitry Andric#define R3_REL_OFFSET 24 6fe6060f1SDimitry Andric#define R14_REL_OFFSET 112 7fe6060f1SDimitry Andric#define R15_REL_OFFSET 120 8fe6060f1SDimitry Andric#define FRAME_SIZE 160 9fe6060f1SDimitry Andric 10fe6060f1SDimitry Andric.text 11fe6060f1SDimitry Andric 12fe6060f1SDimitry AndricASM_HIDDEN(__tsan_setjmp) 13fe6060f1SDimitry Andric 14fe6060f1SDimitry Andric.macro intercept symbol, real 15fe6060f1SDimitry Andric.comm \real, 8, 8 16fe6060f1SDimitry Andric.globl ASM_SYMBOL_INTERCEPTOR(\symbol) 17fe6060f1SDimitry AndricASM_TYPE_FUNCTION(ASM_SYMBOL_INTERCEPTOR(\symbol)) 18fe6060f1SDimitry AndricASM_SYMBOL_INTERCEPTOR(\symbol): 19fe6060f1SDimitry Andric CFI_STARTPROC 20fe6060f1SDimitry Andric stmg %r2, %r3, R2_REL_OFFSET(%r15) 21fe6060f1SDimitry Andric CFI_REL_OFFSET(%r2, R2_REL_OFFSET) 22fe6060f1SDimitry Andric CFI_REL_OFFSET(%r3, R3_REL_OFFSET) 23fe6060f1SDimitry Andric stmg %r14, %r15, R14_REL_OFFSET(%r15) 24fe6060f1SDimitry Andric CFI_REL_OFFSET(%r14, R14_REL_OFFSET) 25fe6060f1SDimitry Andric CFI_REL_OFFSET(%r15, R15_REL_OFFSET) 26fe6060f1SDimitry Andric aghi %r15, -FRAME_SIZE 27fe6060f1SDimitry Andric CFI_ADJUST_CFA_OFFSET(FRAME_SIZE) 28fe6060f1SDimitry Andric la %r2, FRAME_SIZE(%r15) 29fe6060f1SDimitry Andric brasl %r14, ASM_SYMBOL(__tsan_setjmp) 30fe6060f1SDimitry Andric lmg %r14, %r15, FRAME_SIZE + R14_REL_OFFSET(%r15) 31fe6060f1SDimitry Andric CFI_RESTORE(%r14) 32fe6060f1SDimitry Andric CFI_RESTORE(%r15) 33fe6060f1SDimitry Andric CFI_DEF_CFA_OFFSET(CFA_OFFSET) 34fe6060f1SDimitry Andric lmg %r2, %r3, R2_REL_OFFSET(%r15) 35fe6060f1SDimitry Andric CFI_RESTORE(%r2) 36fe6060f1SDimitry Andric CFI_RESTORE(%r3) 37fe6060f1SDimitry Andric larl %r1, \real 38fe6060f1SDimitry Andric lg %r1, 0(%r1) 39fe6060f1SDimitry Andric br %r1 40fe6060f1SDimitry Andric CFI_ENDPROC 41fe6060f1SDimitry Andric ASM_SIZE(ASM_SYMBOL_INTERCEPTOR(\symbol)) 42fe6060f1SDimitry Andric.endm 43fe6060f1SDimitry Andric 44fe6060f1SDimitry Andricintercept setjmp, _ZN14__interception11real_setjmpE 45fe6060f1SDimitry Andricintercept _setjmp, _ZN14__interception12real__setjmpE 46fe6060f1SDimitry Andricintercept sigsetjmp, _ZN14__interception14real_sigsetjmpE 47fe6060f1SDimitry Andricintercept __sigsetjmp, _ZN14__interception16real___sigsetjmpE 48*2a66634dSDimitry Andric 49*2a66634dSDimitry AndricNO_EXEC_STACK_DIRECTIVE 50